I think it might be hormones not sure.
It called the Pectoral muscles
Answer:
The energy you channel to get into a mindset will affect the way you assess the particular task you delegate for yourself, fitness-related ones especially. The more positive you are, the more energy and adrenaline you'll have, whereas if you're grudgingly getting into fitness, there's more of a possibility of putting it aside and eventually just not doing it.
The goal of carbohydrate loading is to increase your athletic performance by providing you with the energy you need to finish an endurance exercise with less exhaustion.
Because more carbohydrates are stored as glycogen in the muscles and liver, a diet heavy in carbohydrates improves both stamina and intermittent excellent performance.Carbohydrates have 4 calories per gram.
Increased muscular glycogen stores, which are known to extend exercise and enhance long-term performance, are a result of glucose loading.
learn more about calories here:
brainly.com/question/20494959
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Answer:
it's so nostalgic
(I need 20 characters ignore this part lol)